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<FONT color="green">001</FONT>    package gui;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.Color;<a name="line.3"></a>
<FONT color="green">004</FONT>    import javax.swing.BorderFactory;<a name="line.4"></a>
<FONT color="green">005</FONT>    import ptolemy.plot.Plot;<a name="line.5"></a>
<FONT color="green">006</FONT>    import register.Register;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    /**<a name="line.8"></a>
<FONT color="green">009</FONT>     * Panel used to display the state of the registers.<a name="line.9"></a>
<FONT color="green">010</FONT>     * @author Matt Cole, Alex Bush<a name="line.10"></a>
<FONT color="green">011</FONT>     */<a name="line.11"></a>
<FONT color="green">012</FONT>    public class VectorPlot extends Plot {<a name="line.12"></a>
<FONT color="green">013</FONT>            /** Angle to rotate the searched state by each iteration */<a name="line.13"></a>
<FONT color="green">014</FONT>            private double theta;<a name="line.14"></a>
<FONT color="green">015</FONT>            /** Current angle of the searched state */<a name="line.15"></a>
<FONT color="green">016</FONT>            private double stateangle;<a name="line.16"></a>
<FONT color="green">017</FONT>            <a name="line.17"></a>
<FONT color="green">018</FONT>            /**<a name="line.18"></a>
<FONT color="green">019</FONT>             * <a name="line.19"></a>
<FONT color="green">020</FONT>             */<a name="line.20"></a>
<FONT color="green">021</FONT>            private static final long serialVersionUID = 1L;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>            /**<a name="line.23"></a>
<FONT color="green">024</FONT>             * Construct the vectorplot object<a name="line.24"></a>
<FONT color="green">025</FONT>             * @param width width of the vector plot<a name="line.25"></a>
<FONT color="green">026</FONT>             */<a name="line.26"></a>
<FONT color="green">027</FONT>            public VectorPlot(int width) {<a name="line.27"></a>
<FONT color="green">028</FONT>                    <a name="line.28"></a>
<FONT color="green">029</FONT>                    // Format the plot area<a name="line.29"></a>
<FONT color="green">030</FONT>                    setSize(width, 500);<a name="line.30"></a>
<FONT color="green">031</FONT>                    setBackground(Color.white);<a name="line.31"></a>
<FONT color="green">032</FONT>                    setBorder(BorderFactory.createTitledBorder("Vector Representation"));<a name="line.32"></a>
<FONT color="green">033</FONT>                    <a name="line.33"></a>
<FONT color="green">034</FONT>            }<a name="line.34"></a>
<FONT color="green">035</FONT>            <a name="line.35"></a>
<FONT color="green">036</FONT>            /**<a name="line.36"></a>
<FONT color="green">037</FONT>             * Sets up the vector plot for the given register and search element.<a name="line.37"></a>
<FONT color="green">038</FONT>             * @param reg<a name="line.38"></a>
<FONT color="green">039</FONT>             * @param searchElem<a name="line.39"></a>
<FONT color="green">040</FONT>             */<a name="line.40"></a>
<FONT color="green">041</FONT>            public void setup(Register reg, int searchElem) {<a name="line.41"></a>
<FONT color="green">042</FONT>                    <a name="line.42"></a>
<FONT color="green">043</FONT>                    setYRange(-1,1);<a name="line.43"></a>
<FONT color="green">044</FONT>                    setXRange(-1,1);<a name="line.44"></a>
<FONT color="green">045</FONT>                    <a name="line.45"></a>
<FONT color="green">046</FONT>                    // Plot colours<a name="line.46"></a>
<FONT color="green">047</FONT>                    Color c[] = new Color[3];<a name="line.47"></a>
<FONT color="green">048</FONT>                    c[0] = Color.green;<a name="line.48"></a>
<FONT color="green">049</FONT>                    c[1] = Color.red;<a name="line.49"></a>
<FONT color="green">050</FONT>                    c[2] = Color.black;<a name="line.50"></a>
<FONT color="green">051</FONT>                    setColors(c);<a name="line.51"></a>
<FONT color="green">052</FONT>                    <a name="line.52"></a>
<FONT color="green">053</FONT>                    // Searched state data point<a name="line.53"></a>
<FONT color="green">054</FONT>                    addPoint(0, 0, 0, false);<a name="line.54"></a>
<FONT color="green">055</FONT>                    addPoint(0, 0, 1, true);<a name="line.55"></a>
<FONT color="green">056</FONT>                    addLegend(0,"|"+searchElem+"&gt;");<a name="line.56"></a>
<FONT color="green">057</FONT>                    addLegend(0,"Searched");<a name="line.57"></a>
<FONT color="green">058</FONT>                    <a name="line.58"></a>
<FONT color="green">059</FONT>                    // Arbitrary state data point<a name="line.59"></a>
<FONT color="green">060</FONT>                    addPoint(1, 0, 0, false);<a name="line.60"></a>
<FONT color="green">061</FONT>                    addPoint(1, 1, 0, true);<a name="line.61"></a>
<FONT color="green">062</FONT>                    addLegend(1,"|Φ&gt;");<a name="line.62"></a>
<FONT color="green">063</FONT>                    addLegend(1,"Orthogonal");<a name="line.63"></a>
<FONT color="green">064</FONT>                    <a name="line.64"></a>
<FONT color="green">065</FONT>                    // Register state<a name="line.65"></a>
<FONT color="green">066</FONT>                    addLegend(2,"|μ&gt;");<a name="line.66"></a>
<FONT color="green">067</FONT>                    addLegend(2,"Register");<a name="line.67"></a>
<FONT color="green">068</FONT>                    // Find angle state is rotated by each iteration.<a name="line.68"></a>
<FONT color="green">069</FONT>                    theta = 2*Math.asin(1.0/Math.sqrt(reg.getNumStates()));<a name="line.69"></a>
<FONT color="green">070</FONT>                    stateangle = -theta/2;<a name="line.70"></a>
<FONT color="green">071</FONT>                    <a name="line.71"></a>
<FONT color="green">072</FONT>            }<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>            /**<a name="line.74"></a>
<FONT color="green">075</FONT>             * Updates the state vector (increases the state angle by a set amount).<a name="line.75"></a>
<FONT color="green">076</FONT>             */<a name="line.76"></a>
<FONT color="green">077</FONT>            public void update() {<a name="line.77"></a>
<FONT color="green">078</FONT>                    // Clear datapoints for register state and plot<a name="line.78"></a>
<FONT color="green">079</FONT>                    clear(2);<a name="line.79"></a>
<FONT color="green">080</FONT>                    stateangle += theta;    <a name="line.80"></a>
<FONT color="green">081</FONT>                    addPoint(2,0,0,false);<a name="line.81"></a>
<FONT color="green">082</FONT>                    addPoint(2,Math.cos(stateangle),Math.sin(stateangle),true);<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>            <a name="line.84"></a>
<FONT color="green">085</FONT>            /**<a name="line.85"></a>
<FONT color="green">086</FONT>             * Removes only the register stare vector from the vector plot.<a name="line.86"></a>
<FONT color="green">087</FONT>             */<a name="line.87"></a>
<FONT color="green">088</FONT>            public void removeRegState() {<a name="line.88"></a>
<FONT color="green">089</FONT>                    clear(2);<a name="line.89"></a>
<FONT color="green">090</FONT>            }<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>            /**<a name="line.92"></a>
<FONT color="green">093</FONT>             * Clears all data from plot.<a name="line.93"></a>
<FONT color="green">094</FONT>             */<a name="line.94"></a>
<FONT color="green">095</FONT>            public void reset() {<a name="line.95"></a>
<FONT color="green">096</FONT>                    clear(2);<a name="line.96"></a>
<FONT color="green">097</FONT>                    clear(true);<a name="line.97"></a>
<FONT color="green">098</FONT>                    stateangle = -theta/2;<a name="line.98"></a>
<FONT color="green">099</FONT>            }<a name="line.99"></a>
<FONT color="green">100</FONT>    }<a name="line.100"></a>




























































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